22221412403 has 4 divisors (see below), whose sum is σ = 22221855048. Its totient is φ = 22220969760.

The previous prime is 22221412393. The next prime is 22221412439. The reversal of 22221412403 is 30421412222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22221412403 - 2²⁶ = 22154303539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221411403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134726 + ... + 250187.

It is an arithmetic number, because the mean of its divisors is an integer number (5555463762).

Almost surely, 2^22221412403 is an apocalyptic number.

22221412403 is a deficient number, since it is larger than the sum of its proper divisors (442645).

22221412403 is an equidigital number, since it uses as much as digits as its factorization.

22221412403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442644.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22221412403 its reverse (30421412222), we get a palindrome (52642824625).

The spelling of 22221412403 in words is "twenty-two billion, two hundred twenty-one million, four hundred twelve thousand, four hundred three".